FROM python:3.12-alpine

ENV TZ Europe/Moscow
ENV SCHEDULE 1 * * * *

RUN	set -x && \
	apk add --no-cache --virtual .tz alpine-conf tzdata && \
	/sbin/setup-timezone -z $TZ && \
	apk del .tz

RUN mkdir /app
WORKDIR /app

COPY pddnsc ./pddnsc
RUN mkdir settings state
COPY requirements.txt .

RUN pip install --no-cache-dir -r requirements.txt

VOLUME /app/settings
VOLUME /app/state

CMD sh -exc 'echo "\
$SCHEDULE date && cd /app && python -m pddnsc.cli \
" > /etc/crontabs/root && exec crond -l 1 -f'
